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possible or impossible?


  • 20 months ago · Quote · #141

    piphilologist

    lol. I thought at first that, knowing how hard your puzzles usually are, after g8=R with the B on f8 that there was no way to maneuvre the B and Rs into their target positions but then I noticed that another piece could block the check. Thought it was a simple puzzle.

    this is where i've got to WIll try the maneuvering later dont know if its possible

  • 20 months ago · Quote · #142

    shoopi

    Yes, it is harder if you can only promote on b8. Here's a hint though if you feel like it (highlight to read): You don't have to play exf6 with black early. Maybe it is best to wait until it is necessary.

  • 20 months ago · Quote · #143

    shoopi

    Anyone is still trying to solve my previous 3# puzzle? it is quite hard. I will otherwise post the solution much later today as I get back from work.

  • 20 months ago · Quote · #144

    bishshoy_das

    dont post the solution of puzzle 3 plz plz plz. i am working very hard on it and i am almost there.

  • 20 months ago · Quote · #145

    andrewjmen

    I was on other topics and I found one puzzle on how long do you take to find this mate in one by Tantale and there was a mate in one and I thought: was it possible? here it is:

  • 20 months ago · Quote · #146

    andrewjmen

    Tantale said not to post the answer so don't post the answer!

    Special thanks to Tantale!

  • 20 months ago · Quote · #147

    shoopi

    Yes, it's a "trick" puzzle :P

    I will post the solution to my own puzzle:

  • 20 months ago · Quote · #148

    shoopi

    Regarding puzzle 3#, any further progress on that one?

    Switching the rooks isn't easy. For this particular maneuver, you need to find a way to block the white rook from checking the black king. But how can this be done? does white have any piece that can interfere with that check?

  • 20 months ago · Quote · #149

    bishshoy_das

    I give up. No use posting half-hearted solutions. I  guess its ur turn shoopi...

  • 20 months ago · Quote · #150

    shoopi

    Alright. The really tricky trick is to use the white king in order to switch up the rooks - white rook getting to e2 (you need the white king to prevent the rook from checking the black king), then the black rook gets behind it, then the white rook gets back and viola! the switch is complete. Proof game below (watch move 51 onward for the critical maneuver):

  • 20 months ago · Quote · #151

    shoopi

    New positions coming up.

     

    First one is a composition by einstein_69101, second one is a composition by myself. Possible or impossible?

  • 20 months ago · Quote · #152

    thenextprodigy

    Second one is impossible. How could 2 rooks be on the 1st rank adjacent?

  • 20 months ago · Quote · #153

    learningthemoves

    Yeah, but that's not the final position expressed in the puzzle originally, so still impossible.

  • 20 months ago · Quote · #154

    Fralnp

    Puzzle 2 is indeed impossible see position below

    After Black plays gxh2 in that setup (the only way to get a promoted Rook on g1, White is stuck: no pawns can be pushed to alter the position and the remaining piece is pinned. Now bite me and prove me wrong as alwaysTongue out

     

  • 20 months ago · Quote · #155

    Jadeite

    Fralnp wrote:

    Puzzle 2 is indeed impossible see position below

    After Black plays gxh2 in that setup (the only way to get a promoted Rook on g1, White is stuck: no pawns can be pushed to alter the position and the remaining piece is pinned. Now bite me and prove me wrong as always

     

     

    Hm... What if there was another knight on f1, like this:

    White won't ever get stuck,  as before that sequence, he can just shuffle around the 'extra' knight.
  • 20 months ago · Quote · #156

    Fralnp

    Yes but in order for the c7-pawn to reach h2 White had to sacrifice 5 mens (excluding Bishops since they could never get out of that pawn formation), two Rooks, a Queen, a Knight and the h-pawn. I would liked a scenario like this however...

  • 20 months ago · Quote · #157

    s0030135

    The first position in #151 is possible:

     

  • 20 months ago · Quote · #158

    piphilologist

    shoopi wrote:

    and viola! the switch is complete.  

  • 20 months ago · Quote · #159

    shoopi

    s0030135 wrote:

    The first position in #151 is possible:

     


    Correct, solved!

    Still awaiting sentence for the second puzzle... good luck.

  • 20 months ago · Quote · #160

    s0030135

    [COMMENT DELETED]

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